
Architecture that transforms spaces
Architecture and Valuation Studio is a practice led by architect Beatriz Nieves Díaz Rodríguez in Sant Cugat del Vallès, founded in 2002 in Sant Cugat del Vallès, Barcelona.
- Registered architect with the Architects' Association of Catalonia (COAC).
- Expert witness of the Association of Forensic, Expert and Mediation Architects of the Architects' Association of Catalonia (AAEPFMC).
- Postgraduate Diploma in Legal and Forensic Architecture from Pompeu Fabra University (UPF).
Our values, principles and criteria
Our track record is built on solid principles that define our approach to every project:
Excellence
We are committed to achieving excellence in every detail of the project.
Rigor
We guarantee technical precision and compliance at every stage of the process.
Transparency
We maintain clear and honest communication with our clients.
Listening
Understanding your ideas to bring your projects to life.
Advising
Providing expert guidance at every stage of the process.
Designing and executing
Creating functional, aesthetic and lasting spaces.
Our valuation, expert opinion and appraisal services
We prepare technical reports, expert appraisals and valuations for any type of property. We guarantee clear and accurate documentation backed by years of experience.
- Coordination between Cadastre and Land Registry.
- Valuations for expropriations.
- Land georeferencing.
- Real estate valuations.


Our architectural services
We offer comprehensive solutions for new construction, renovations, rehabilitations and interior design. We integrate functionality and design, adapting to your needs.
- Architectural projects for new construction, rehabilitation and/or renovation.
- Energy performance certificate.
- Technical Building Inspection (ITE) reports.
- Certificate of occupancy (Cédula de habitabilidad).
Our experience backs us in many other services
- Valuations for divorces, separations, inheritances, cadastre, tax authorities or expropriations.
- Unfinished construction works.
- Construction defects.
- Hidden defects (latent defects).
- Building pathologies.
- Claims and damages in buildings and homes.
- Third-party damages.
- Professional civil liability damages.
- Real estate appraisals.
- Superficial construction defects and damages (dampness, water ingress, acoustics, waterproofing, installations).
- Structural errors or defects (structural damage, foundations, insufficient columns or beams, geotechnical studies).
- Regulatory compliance. Compliance with the Technical Building Code (CTE) and local municipal regulations.
- Contracting and subcontracting.
- Construction health and safety, accidents.

Architectural news and updates
Discover the latest news in the architecture and technical valuation sector. Trends, tips and updates to stay up to date with innovation and design.